hey frnds.....
plz tell me why NH3 is
1) a strong base in aquos mediam???
2) a mild weak base in gaseous medium.???
HOW IT'S BEHAVIOR IS CHANGE IN BOTH????
PLZ ANSWER FAST.....❤❤❤
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Answers
Answered by
4
In NH3 molecule. N has one lone pair of electrons similarly In BiH3 also, Bi has one lone pair of electrons.
Size of N is very small. It can not accommodate the two lone pairs of electrons on it, so that it has greater tendency to lose these electrons.The size of Bi is much larger than that of N, it can easily accommodate the two lone pair of electrons on it due to its large size and so its tendency to lose the electrons is lesser than that of N.Greater the tendency to donate the electrons more is the basic character and hence NH3 is more basic than BH3
Size of N is very small. It can not accommodate the two lone pairs of electrons on it, so that it has greater tendency to lose these electrons.The size of Bi is much larger than that of N, it can easily accommodate the two lone pair of electrons on it due to its large size and so its tendency to lose the electrons is lesser than that of N.Greater the tendency to donate the electrons more is the basic character and hence NH3 is more basic than BH3
Answered by
3
Key Points
In acid – base chemistry, salts are ionic compounds that result from the neutralization reaction of an acid and a base.
Basic salts contain the conjugate base of a weak acid, so when they dissolve in water, they react with water to yield a solution with pH greater than 7.0.
Key Terms
basic salt: the product of the neutralization of a strong base and a weak acid; its anion is the conjugate base of the weak acid
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